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Insert the Z-Bend in the 325mm long pushrod wire into the fourth hole out from the center of the arm.
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You will have to enlarge the hole using a 1/16" drill bit so the pushrod will fit properly.
IMPORTANT
Make sure the longer portion of the pushrod wire is toward the top of the servo arm.
❑
Connect your radio system and plug the rudder servo into the receiver. Double-check that the rudder trim lever on
your transmitter is centered and turn on the radio system.
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Slide the pushrod into the pushrod housing and install
the servo horn onto the servo, making sure it's centered.
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The servo horn should point toward the fuselage side, as
shown.
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Install the retaining screw to secure the servo horn into
place.
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Using a modeling knife, cut off a 1/4" long piece of clevis retainer tubing. Slip the piece of tubing onto the base of
one clevis.
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Use a couple of pieces of masking tape to hold the rudder centered.
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Thread the nylon clevis onto the threaded end of the
pushrod wire until the clevis lines up with the holes in the
control horn.
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Carefully snap the clevis into the third hole out from the
base of the control horn and slide the piece of silicon tubing
up over the clevis to secure it into place.
❑
Remove the masking tape from the rudder.
Step 3: Adjusting the Pushrod & Control Throw
❑
With your radio system plugged in and turned on, check to make sure the rudder and the rudder servo are centered. If
necessary, use the trim lever on the transmitter and/or thread the clevis in or out to center the rudder. Double-check that
the rudder is moving in the proper direction.
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Check the control surface throw by measuring from the
widest point of the control surface. The rudder should move
both right and left 3/4".
❑
If necessary, make adjustments to the control throw
using the same technique as with the elevator.